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%I #15 Jul 21 2015 09:50:45
%S 0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,13,15,17,19,21,23,25,
%T 27,29,31,33,36,39,42,45,48,51,54,57,60,63,66,70,74,78,82,86,90,94,98,
%U 102,106,110,115,120,125,130,135,140,145,150,155,160,165,171
%N Partial sums of floor(n/11).
%C Apart from the initial zeros, the same as A008729.
%F a(11n) = A051865(n).
%F a(11n+1) = A180223(n).
%F a(11n+4) = A022268(n).
%F a(11n+5) = A022269(n).
%F a(11n+6) = A254963(n)
%F a(11n+9) = A211013(n).
%F a(11n+10) = A152740(n).
%F G.f.: x^11/((1-x)^2*(1-x^11)).
%e As square array:
%e ..0....0....0....0....0....0....0....0....0....0....0
%e ..1....2....3....4....5....6....7....8....9...10...11
%e .13...15...17...19...21...23...25...27...29...31...33
%e .36...39...42...45...48...51...54...57...60...63...66
%e .70...74...78...82...86...90...94...98..102..106..110
%e 115..120..125..130..135..140..145..150..155..160..165
%e 171..177..183..189..195..201..207..213..219..225..231
%e 238..245..252..259..266..273..280..287..294..301..308
%e 316..324..332..340..348..356..364..372..380..388..396
%e 405..414..423..432..441..450..459..468..477..486..495
%e 505..515..525..535..545..555..565..575..585..595..605
%e ...
%Y Cf. similar sequences: A000217, A002820, A130518, A130519, A130520, A174709, A174738, A118729, A218470, A131242.
%K nonn,tabf,easy
%O 0,13
%A _Philippe Deléham_, Mar 27 2013